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| author | Dave Airlie <airlied@redhat.com> | 2019-02-18 13:27:15 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-02-18 13:27:15 +1000 |
| commit | c06de56121e3ac0f0f1f4a081c041654ffcacd62 (patch) | |
| tree | 3662e7052352b0f1b78e8832b1d3b91ca211b798 /virt/kvm/arm/mmu.c | |
| parent | 8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0 (diff) | |
| parent | a3b22b9f11d9fbc48b0291ea92259a5a810e9438 (diff) | |
Merge v5.0-rc7 into drm-next
Backmerging for nouveau and imx that needed some fixes for next pulls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'virt/kvm/arm/mmu.c')
| -rw-r--r-- | virt/kvm/arm/mmu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index fbdf3ac2f001..30251e288629 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -1695,11 +1695,14 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, vma_pagesize = vma_kernel_pagesize(vma); /* - * PUD level may not exist for a VM but PMD is guaranteed to - * exist. + * The stage2 has a minimum of 2 level table (For arm64 see + * kvm_arm_setup_stage2()). Hence, we are guaranteed that we can + * use PMD_SIZE huge mappings (even when the PMD is folded into PGD). + * As for PUD huge maps, we must make sure that we have at least + * 3 levels, i.e, PMD is not folded. */ if ((vma_pagesize == PMD_SIZE || - (vma_pagesize == PUD_SIZE && kvm_stage2_has_pud(kvm))) && + (vma_pagesize == PUD_SIZE && kvm_stage2_has_pmd(kvm))) && !force_pte) { gfn = (fault_ipa & huge_page_mask(hstate_vma(vma))) >> PAGE_SHIFT; } |